If you get the following error "you do not have access to web services" when setting up NetSuite, please do the following:
Log into NetSuite as the Administrator
Go to Setup > Company > Enable Features
Choose SuiteFlex in the tab and check the box SuiteTalk (Web Services)
Next, check that webServices is turned on Roles (Enable Features + Setup >User/Roles > Manage Roles > (Select the role) > Permissions > Setup. Make sure webservices is listed.